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Is Lissamine Flavine FF vegan?

Lissamine Flavine FF

Vegan

Lissamine Flavine FF is a synthetic fluorescent acid dye identified by Colour Index number CI 56205. It is used in textile dyeing and as a fluorescent tracer. It is also known as Brilliant Sulpho Flavine FF and Acid Yellow 7.

Also known as Acid Yellow 7, Brilliant Acid Yellow 8G, Brilliant Sulpho Flavine FF, Fenazo Yellow XX
CAS number 2391-30-2
CI number CI 56205
Last reviewed 3 June 2026

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